Born in Rotorua, Sam took her game to a new level in 2016.
She continues to be a driving force in the Magic midcourt with her tenacity and determination a feature of her play. Named in the Silver Ferns Development Squad, Sinclair toured with NZA prior to Netball World Cup SYDNEY 2015, playing warm-up matches against other countries and gaining valuable international experience against varying styles of play. She was selected in the FAST5 Ferns team that won the 2016 Fast5 Netball World Series in 2016, and was subsequently selected in the Silver Ferns squad for the first time in 2017. She made her Silver Ferns debut against Australia in early 2017.